<template>
  <div class="role-container">
    <div class="left-wrapper">
      <div
        v-for="(item,index) in roleList"
        :key="item.roleId"
        class="role-item"
        :class="{active:index===activeIndex}"
        @click="changeRole(index)"
      >
        <div class="role-info">
          <svg-icon icon-class="user" class="icon" />
          {{ item.roleName }}
        </div>
        <div class="more">
          <div class="more">
            <el-dropdown>
              <span class="el-dropdown-link">
                <svg-icon icon-class="more" />
              </span>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item @click.native="$router.push(`/roleAdd?id=${item.roleId}`)">编辑角色</el-dropdown-item>
                <el-dropdown-item @click.native="delRole(item.roleId)">删除</el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          </div>
        </div>
      </div>
      <el-button class="addBtn" size="mini" @click="$router.push('/roleAdd')">添加角色</el-button>
    </div>

    <!-- 权限列表 -->
    <el-tabs v-model="activeName">
      <el-tab-pane label="功能权限" name="tree">
        <div class="tree-wrapper">
          <div v-for="item in treeList" :key="item.id" class="tree-item">
            <!-- title -->
            <div class="tree-title">{{ item.title }}</div>
            <!-- 树形结构 -->
            <el-tree
              ref="tree"
              :props="{label:'title'}"
              :data="item.children"
              show-checkbox
              :default-expand-all="true"
              node-key="id"
            />
          </div>
        </div>
      </el-tab-pane>
      <el-tab-pane :label="`成员(${roleUserList.length})`" name="member">
        <div class="user-wrapper">
          <el-table
            :data="roleUserList"
            style="width: 100%"
          >
            <el-table-column
              type="index"
              width="250"
              label="序号"
            />
            <el-table-column
              prop="name"
              label="员工姓名"
            />
            <el-table-column
              prop="userName"
              label="登录账号"
            />
          </el-table>
        </div>
      </el-tab-pane>
    </el-tabs>
  </div>
</template>

<script>
import { addDisabled, delRoleUserAPI, getRoleDetailAPI, getRoleListAPI, getRoleUserAPI, getTreeListAPI } from '@/api/system'

export default {
  name: 'Role',

  data() {
    return {
      roleList: [],
      activeIndex: 0,
      treeList: [],
      perms: [],
      activeName: 'tree', // 默认打开tree
      roleUserList: []
    }
  },
  async mounted() {
    await this.getRoleList()
    await this.getTreeList()
    // 再获取当前角色下的权限列表
    this.getRoleDetail(this.roleList[0].roleId)
    this.getRoleUserList(this.roleList[0].roleId)
  },
  methods: {
    async getRoleList() {
      const res = await getRoleListAPI()
      this.roleList = res.data
    },
    changeRole(index) {
      this.activeIndex = index
      // 在切换时获取当前角色的权限
      const roleId = this.roleList[index].roleId
      this.getRoleDetail(roleId)
      // 2. 获取当前角色下的成员数据列表
      this.getRoleUserList(roleId)
    },
    async getTreeList() {
      const res = await getTreeListAPI()
      console.log(res.data)
      this.treeList = res.data
      // 调用递归函数
      // 给每一项都加入禁用
      addDisabled(this.treeList)
    },
    async getRoleDetail(roleId) {
      const res = await getRoleDetailAPI(roleId)
      this.perms = res.data.perms
      // 高亮权限列表
      const treeComponentList = this.$refs.tree
      // 调用setCheckedKeys方法
      treeComponentList.forEach((tree, index) => {
        tree.setCheckedKeys(this.perms[index])
      })
    },
    async getRoleUserList(roleId) {
      const res = await getRoleUserAPI(roleId)
      this.roleUserList = res.data.rows
    },
    delRole(roleId) {
      this.$confirm('是否确认删除当前角色?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await delRoleUserAPI(roleId)
        this.getRoleList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      })
    }
  }
}
</script>

<style scoped lang="scss">
.role-container {
  display: flex;
  font-size: 14px;
  background-color: #fff;
  padding:20px;
  .left-wrapper {
    width: 200px;
    border-right: 1px solid #e4e7ec;
    padding: 4px;
    text-align: center;

    .role-item {
      position: relative;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      cursor: pointer;

      &.active {
        background: #edf5ff;
        color: #4770ff;
      }
    }

    .role-info {
      display: flex;
      align-items: center;

      .icon {
        margin-right: 10px;
      }
    }

    .more {
      display: flex;
      align-items: center;
    }
    .addBtn{
      width: 100%;
      margin-top: 20px;
    }
  }

  .right-wrapper {
    flex: 1;

    .tree-wrapper {
      display: flex;
      justify-content: space-between;

      .tree-item {
        flex: 1;
        border-right: 1px solid #e4e7ec;
        padding: 0px 4px;
        text-align: center;
        .tree-title {
          background: #f5f7fa;
          text-align: center;
          padding: 10px 0;
          margin-bottom: 12px;
        }
      }
    }

    ::v-deep .el-tabs__nav-wrap {
      padding-left: 20px;
    }

    .user-wrapper{
      padding:20px;
    }
  }
}
</style>
